问题
选择题
| 关于声现象，以下知识结构错误的是（ ） A．传声介质：固体、液体、气体、真空 B．声音的种类：乐音、噪声 C．乐音的特性：音色、音调、响度 D．减弱噪声的途径：在发声处减弱、在传播过程中减弱、在人耳处减弱 |
答案
答案：A
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| 关于声现象，以下知识结构错误的是（ ） A．传声介质：固体、液体、气体、真空 B．声音的种类：乐音、噪声 C．乐音的特性：音色、音调、响度 D．减弱噪声的途径：在发声处减弱、在传播过程中减弱、在人耳处减弱 |
答案：A
| 完形填空 | ||||
| In a land far away, once upon a time there was great poverty (贫困), and only the rich could manage without great__1_. Three of those rich men and their servants were__2_together on a road when they came to a very__3_village. The first could not stand seeing the poverty, __4__he took all the gold and jewels from his wagons (四轮载重马车) and shared__5_out among the villagers. He wished them all the best of luck, and he left. The second rich man, seeing the__16__situation, stopped for a short time and gave__7_all his food and drink, since he__8_see that money would be of little__9_to them. He made sure that they each 10 their fair share and would have enough food to 11 for some time. Then, he left. The third rich man, on seeing such poverty, 12 and went straight through the 13 without stopping.The two other rich men saw this from a distance and commented with each other 14 the third rich man lacked sympathy. It was 15 that they themselves had been there to offer help. However, three days later, they 16 the third rich man, who was coming in the opposite direction. He was 17 travelling quickly, but his wagons, 18 the gold and valuables they had been 19 , were now full of farming tools and bags of 20 . He was rushing back to help them out of poverty. | ||||
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